安卓基礎(chǔ)學(xué)習(xí)筆記--記錄中

???????????????????????????????????????????????????? 控件

TextView?? 文本框


wrap_content:是layout_width和layout_height的屬性值之一，表示和自身內(nèi)容一樣的長(zhǎng)度。match_parent:是layout_width和layout_height的屬性值之一，表示和父組件一樣的長(zhǎng)度。?
<?xml version="1.0" encoding="utf-8"?><LinearLayout? xmlns:android="http://schemas.android.com/apk/res/android"???????????????? android:layout_height="match_parent"???????????????? android:orientation="vertical"??????????????? android:layout_width="match_parent"???????????? >??? <TextView??????? android:id="@+id/one"??????? android:layout_width="200dp"??????? android:layout_height="200dp"??????? android:text="@string/app_text"??????? android:textSize="30sp"??????? android:textStyle="bold"??????? android:gravity="center"??????? android:textColor="@color/red"??? />?
android:shadowColor="@color/colorPrimaryDark"android:shadowRadius="100.0"android:shadowDy="20.0"android:shadowDx="20.0"android:singleLine="true"
android:focusable="true"android:focusableInTouchMode="true"android:ellipsize="marquee"android:marqueeRepeatLimit="marquee_forever"android:clickable="true"??????????????????????????????

????????????????????????????????? ??? 第2方法


獲取焦點(diǎn)
第3方法
??? Button??? 按鈕
<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android">?? <item android:color="@color/colorPrimaryDark" android:state_pressed="true"/>??? <item android:color="@color/red"/></selector><?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android">??? <item? android:drawable="@drawable/ic_extension_black_24dp"? android:state_pressed="true"/>??? <item android:drawable="@drawable/ic_event_black_24dp"/></selector>?android:background="@drawable/btn_selector"???? <!--背景圖片-->android:backgroundTint="@color/btn_color"????? <!--背景顏色-->????????


????????????????????????????????????????? Button事件處理

Button button1 =

findViewById(R.id.btn1);


[if !supportLists]1.?????[endif]點(diǎn)擊事件

//點(diǎn)擊事件button1.setOnClickListener(new View.OnClickListener() {


@Override


public void onClick(Viewview) {

??????? System.

out.println("點(diǎn)擊事件啟動(dòng)");

??? }

});



[if !supportLists]2.?????[endif]長(zhǎng)按事件

//長(zhǎng)按事件button1.setOnLongClickListener(new View.OnLongClickListener() {


@Override


public boolean onLongClick(View view) {

??????? System.

out.println("長(zhǎng)按事件啟動(dòng)");


return false;

??? }

});


[if !supportLists]3.?????[endif]觸摸事件

??? //觸摸事件

??? button1.setOnTouchListener(new View.OnTouchListener(){


@Override


public boolean onTouch(View view, MotionEvent motionEvent) {

??????????? System.

out.println("觸摸事件啟動(dòng)");


return false;

??????? }

??? });

}

[if !supportLists]4.?????[endif]第二種點(diǎn)擊事件方法

android:onClick="xmlonClick"

?? public voidxmlonClick(View view) {

??? System.

out.println("在xml文件觸發(fā)點(diǎn)擊事件");

}


?????????????????????????????? EditText?? 輸入框


<EditText??? android:layout_width="179dp"??? android:layout_height="101dp"??? android:drawableLeft="@drawable/ic_perm_identity_black_24dp"??? android:drawablePadding="15dp"??? android:hint="請(qǐng)輸入用戶名"??? android:inputType="text"??? android:paddingLeft="10dp"??? android:textColorHint="@color/colorPrimaryDark"??? android:background="@color/white"?? ?></EditText>
通過(guò)點(diǎn)擊事件獲取文本信息btn= findViewById(R.id.btn);ed=findViewById(R.id.ed);btn.setOnClickListener(new View.OnClickListener(){??? @Override??? public void onClick(Viewview) {??????? String s = ed.getText().toString();??????? System.out.println(s);??? }});??????????????????????????????? ? ? ? ? ? ImageView? 圖像視圖


<ImageView??? android:layout_width="200dp"??? android:layout_height="200dp"??? android:src="@drawable/a"??? android:maxHeight="200dp"??? android:maxWidth="200dp"??? android:adjustViewBounds="true"></ImageView>?????????????????? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ProgressBar?? 進(jìn)度條


<ProgressBar??? android:id="@+id/pg"??? android:layout_width="wrap_content"??? android:layout_height="wrap_content"></ProgressBar><Button??? android:id="@+id/btnpg"??? android:layout_width="200dp"??? android:layout_height="wrap_content"?? android:text="點(diǎn)擊隱藏進(jìn)度"??? android:onClick="onClickHidden"></Button>public void onClickHidden(View view){??? if (pg.getVisibility() == View.GONE){??????? pg.setVisibility(View.VISIBLE);??? }else {??????? pg.setVisibility(View.GONE);??? }}??<ProgressBar??? android:id="@+id/load"??? style="?android:attr/progressBarStyleHorizontal"??? android:layout_width="500dp"??? android:layout_height="wrap_content"??? android:max="500"??? >??????????? 第二種</ProgressBar>?<Button???? android:id="@+id/btnload"???? android:layout_width="200dp"???? android:layout_height="wrap_content"???? android:text="模擬下載"???? android:onClick="onload">?</Button>?<ProgressBar???? android:id="@+id/loading"???? style="?android:attr/progressBarStyleHorizontal"???? android:layout_width="500dp"???? android:layout_height="wrap_content"???? android:max="100"???? android:indeterminate="true"???? />public void onload(View view) {??? load=findViewById(R.id.load);??? System.out.println("模擬下載");??? int progress= load.getProgress();??? progress +=100;??? if (progress> 500)??????? System.out.println("下載完成");??? load.setProgress(progress);}???????????????????????? ??????? ??? Notification?? 狀態(tài)通知欄





manger= (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

if ( Build.VERSION.SDK_INT? >=? Build.VERSION_CODES.O ) {

??? NotificationChannel channel =

new NotificationChannel("channelId", "測(cè)試通知", NotificationManager.IMPORTANCE_HIGH);


manger.createNotificationChannel(channel);

}

Intent intent =

new Intent(this, NotificationActivity.class);

PendingIntent pendingIntent = PendingIntent.getActivity(

this, 0,intent, 0);

notification=new NotificationCompat. Builder(this,"channelId")

??????? .setContentTitle(

"標(biāo)題")?? //設(shè)置標(biāo)題

??????? .setContentText("正文內(nèi)容")? //設(shè)置文本內(nèi)容

??????? .setSmallIcon(R.drawable.ic_event_black_24dp)? //設(shè)置小圖標(biāo)

??????? .setLargeIcon(BitmapFactory.decodeResource(getResources(),R.drawable.a))

??????? .setColor(Color.parseColor(

"#0000FF"))

??????? .setContentIntent(pendingIntent)

??????? .setAutoCancel(

true)

??????? .build() ;


?

public void sendification(View view) {


manger.notify(1,notification);

}

public void unsendNotification(View view) {


manger.cancel(1);

}


@Override

protected void onCreate(@NullableBundle savedInstanceState) {


super.onCreate(savedInstanceState);

??? Log.e(

"leo","getMeassge：進(jìn)入NotificationActivity");

}



?? ???????????? ?Toolbar??標(biāo)題欄


<androidx.appcompat.widget.Toolbar/>
包導(dǎo)錯(cuò)了 ?要導(dǎo)入 androidx的包??????????????????????????????????????????????????????????????????????????????????????????????????? 第一種方式<androidx.appcompat.widget.Toolbar??? android:id="@+id/tb"??? android:layout_width="match_parent"??? android:layout_height="?attr/actionBarSize"??? android:background="@color/blue"??? app:title="標(biāo)題"??? app:navigationIcon="@drawable/ic_trending_flat_black_24dp"??? app:titleMarginStart="100dp"??? app:subtitle="子標(biāo)題"??? app:subtitleTextColor="@color/colorPrimary"??? app:logo="@drawable/ic_perm_identity_black_24dp"??? />Toolbar toolbar=findViewById(R.id.tb);???????? //設(shè)置導(dǎo)航單擊偵聽(tīng)器 ?toolbar.setNavigationOnClickListener(new View.OnClickListener() {???? @Override???? public void onClick(Viewv) {???????? Log.e("leo", "toolbar被點(diǎn)擊了" );???? }?});???????????????????????????????????? 第二種方式<androidx.appcompat.widget.Toolbar??? android:layout_marginTop="20dp"??? android:id="@+id/tb2"??? android:layout_width="match_parent"??? android:layout_height="?attr/actionBarSize"??? android:background="@color/colorPrimaryDark"??? />toolbar1.setNavigationOnClickListener(new View.OnClickListener() {??? @Override??? public void onClick(Viewv) {??????? Log.e("leo", "toolbar22222被點(diǎn)擊了" );??? }});???????????? 標(biāo)題居中<androidx.appcompat.widget.Toolbar??? android:layout_marginTop="20dp"??? android:id="@+id/tb3"??? android:layout_width="match_parent"??? android:layout_height="?attr/actionBarSize"??? android:background="@color/red">??? <TextView??????? android:layout_height="wrap_content"??????? android:layout_width="wrap_content"??????? android:text="標(biāo)題"??????? android:layout_gravity="center"??????? /></androidx.appcompat.widget.Toolbar>?????? ?????????????? AlertDialog?? 對(duì)話欄


?<Button??? android:layout_marginTop="20dp"??? android:layout_width="100dp"??? android:layout_height="100dp"??? android:text="顯示對(duì)話框"??? android:onClick="leoclick"??? />???public void leoclick(View view) {??? //獲得對(duì)話框??? AlertDialog.Builder builder = new AlertDialog.Builder(this);??? //獲得布局??? View inflate =getLayoutInflater().inflate(R.layout.dialog_view, null);??? builder.setIcon(R.drawable.ic_event_black_24dp)??????????? .setTitle("標(biāo)題")??????????? .setMessage("發(fā)送信息")??????????? .setView(inflate)??????????? .setPositiveButton("確定", new DialogInterface.OnClickListener() {??????????????? @Override??????????????? public void onClick(DialogInterface dialog, int which) {??????????????????? System.out.println("點(diǎn)擊了確定按鈕");??????????????? }??????????? })??????????? .setNegativeButton("取消", new DialogInterface.OnClickListener() {??????????????? @Override??????????????? public void onClick(DialogInterface dialog, int which) {??????????????????? System.out.println("點(diǎn)擊了取消按鈕");??????????????? }??????????? })??????????? .setNeutralButton("中間", new DialogInterface.OnClickListener() {??????????????? @Override??????????????? public void onClick(DialogInterface dialog, int which) {??????????????????? System.out.println("點(diǎn)擊了中間按鈕");??????????????? }??????????? })??????????? .show()??????????? .create();}??<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"??? android:orientation="vertical" android:layout_width="match_parent"??? android:layout_height="match_parent"??? android:background="@color/colorPrimary">??? <ImageView??????? android:layout_width="200dp"??????? android:layout_height="100dp"??????? android:src="@drawable/b"/>??? <TextView??????? android:layout_width="wrap_content"??????? android:layout_height="wrap_content"??????? android:text="圖片"/></LinearLayout>??????????????????????? PopupWindow? 懸浮框
????????????? 兩種構(gòu)造方法 ?//獲得布局??? View inflate = getLayoutInflater().inflate(R.layout.propup_view, null);??? //獲得懸浮框????????ViewGroup.LayoutParams.WRAP_CONTENT相當(dāng)于wrap_content??? final PopupWindow popupWindow = new PopupWindow(inflate,ViewGroup.LayoutParams.WRAP_CONTENT,?????????????????????????????????????????????ViewGroup.LayoutParams.WRAP_CONTENT,true);??? //設(shè)置popupWindow背景??? popupWindow.setBackgroundDrawable(getResources().getDrawable(R.drawable.b));??? //獲取propup_view下的屬性??? Button btn1= inflate.findViewById(R.id.btn1);??? Button btn2=inflate.findViewById(R.id.btn2);??? btn1.setOnClickListener(new View.OnClickListener() {??????? public void onClick(Viewv) {??????????? System.out.println("你是來(lái)自北京嗎");??????????? popupWindow.dismiss();??????? }??? });??? btn2.setOnClickListener(new View.OnClickListener() {??????? @Override??????? public void onClick(Viewv) {??????????? System.out.println("你是來(lái)自上海嗎");??????????? popupWindow.dismiss();??????? }??? });??? //顯示popupWindow??? popupWindow.showAsDropDown(view,200,view.getHeight());}??<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"??? android:orientation="vertical" android:layout_width="match_parent"??? android:layout_height="match_parent"??? android:background="@drawable/ic_launcher_background">??? <Button??????? android:id="@+id/btn1"??????? android:layout_marginTop="20dp"??????? android:layout_width="100dp"??????? android:layout_height="100dp"??????? android:text="北京"??????? android:background="@color/red"??????? />??? <Button??????? android:id="@+id/btn2"??????? android:layout_marginTop="20dp"??????? android:layout_width="100dp"??????? android:layout_height="100dp"??????? android:text="上海"??????? android:background="@color/blue"??????? /></LinearLayout>??<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"??? android:layout_height="match_parent"??? xmlns:app="http://schemas.android.com/apk/res-auto"??? android:orientation="vertical"??? android:layout_width="match_parent">??? <Button??????? android:id="@+id/pw"??????? android:layout_marginTop="20dp"??????? android:layout_width="100dp"??????? android:layout_height="100dp"??????? android:text="彈出PopupWindow"??????? android:onClick="popupWindowClick"??????? />???????????? 布局??? LinearLayout? 線性布局
分割線
??? RelativeLayout 相對(duì)布局
FrameLayout? 幀布局
TableLayout 表格布局<?xml version="1.0" encoding="utf-8"?><TableLayout xmlns:android="http://schemas.android.com/apk/res/android"??? android:orientation="vertical" android:layout_width="match_parent"??? android:layout_height="match_parent">??? <Button??????? android:layout_height="wrap_content"??????? android:layout_width="wrap_content"??????? android:text="按鍵1"??????? />??? <TableRow>??? <Button??????? android:layout_height="wrap_content"??????? android:layout_width="wrap_content"??????? android:text="按鍵1"??????? />??? <Button??????? android:layout_height="wrap_content"??????? android:layout_width="wrap_content"??????? android:text="按鍵2"??????? />??? <Button??????? android:layout_height="wrap_content"??????? android:layout_width="wrap_content"??????? android:text="按鍵3"??????? />?? </TableRow>??? <TableRow>??????? <Button??????????? android:layout_height="wrap_content"??????????? android:layout_width="wrap_content"??????????? android:text="按鍵1"??????????? />??????? <Button??????????? android:layout_height="wrap_content"??????????? android:layout_width="wrap_content"??????????? android:text="按鍵2"??????????? />??????? <Button??????????? android:layout_height="wrap_content"??????????? android:layout_width="wrap_content"??????????? android:text="按鍵3"??????????? />??????? <Button??????????? android:layout_height="wrap_content"??????????? android:layout_width="wrap_content"??????????? android:text="按鍵4"??????????? />??????? <Button??????????? android:layout_height="wrap_content"??????????? android:layout_width="wrap_content"??????????? android:text="按鍵5"??????????? />??? </TableRow></TableLayout>
?GridLayout 網(wǎng)格布局
<?xml version="1.0" encoding="utf-8"?><GridLayout xmlns:android="http://schemas.android.com/apk/res/android"??? android:layout_width="match_parent" android:layout_height="match_parent"??? android:orientation="horizontal"??? android:columnCount="2"??? >??? <Button??????? android:layout_width="wrap_content"??????? android:layout_height="wrap_content"??????? android:text="圖片"/>??? <Button??????? android:layout_width="wrap_content"??????? android:layout_height="wrap_content"??????? android:text="圖片"/>??? <Button??? android:layout_width="wrap_content"??? android:layout_height="wrap_content"??? android:text="圖片"/>??? <Button??? android:layout_width="wrap_content"??? android:layout_height="wrap_content"??? android:text="圖片"/>??? <Button??? android:layout_width="wrap_content"??? android:layout_height="wrap_content"??? android:text="圖片"/></GridLayout>
行 列 ?第一行第0?????????????????????????????????????????????????????????????????????????????????? ConstraintLayout 約束布局

?基礎(chǔ)開(kāi)發(fā)------ListView

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

??? xmlns:tools="http://schemas.android.com/tools"

??? android:layout_width="match_parent"

??? android:layout_height="match_parent"

??? tools:context=".MainActivity">

??? <

ListView

??????? android:id="@+id/lv"

??????? android:layout_width="match_parent"

??????? android:layout_height="match_parent">

??? </

ListView>

</

LinearLayout>



<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

??? xmlns:app="http://schemas.android.com/apk/res-auto"

??? android:orientation="vertical"

??? android:layout_width="match_parent"

??? android:layout_height="match_parent">

??? <

TextView

??????? android:id="@+id/tv"

??????? android:layout_width="wrap_content"

??????? android:layout_height="wrap_content"

??????? android:textSize="20dp"

??????? android:background="@color/colorPrimary"

??????? />

</

LinearLayout>



??????? package bibipor.ma;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ListView;

import android.widget.TextView;

import java.util.ArrayList;

import java.util.List;

public class MainActivity extends AppCompatActivity {


private List<Bean> data=new ArrayList();


protected void onCreate(Bundle savedInstanceState) {


super.onCreate(savedInstanceState);

??????? setContentView(R.layout.

activity_main);


for (int i=0;i<100;i++){

??????????? Bean bean=

new Bean();

??????????? bean.setName(

"滑動(dòng)欄"+ "--:---" + i);


data.add(bean);

??????? }

??????? ListView listView= findViewById(R.id.

lv);

??????? listView.setAdapter(

new MyAdapter(data,this));

??????? listView.setOnItemClickListener(

new AdapterView.OnItemClickListener() {


@Override


public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

??????????????? System.

out.println(position+"被點(diǎn)擊了");

????? ??????}

??????? });

??? }

}




package bibipor.ma;

import android.content.Context;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.LinearLayout;

import android.widget.TextView;

import java.util.List;

public class MyAdapter extendsBaseAdapter {


private List<Bean>data;


private Contextcontext;


public MyAdapter(Listdata, Context context) {


this.data = data;


this.context = context;

??? }


//獲取總共數(shù)據(jù)

??? public int getCount() {


return data.size();

??? }


//獲取item

??? public Object getItem(int position){


return null;

??? }


//獲取item-id

??? public long getItemId(intposition) {


return position;

??? }


//返回的view

??? public View getView(intposition, View convertView, ViewGroupparent) {

??????? ViewHolder viewHolder;


if (convertView? ==? null) {

??????????? viewHolder=

new ViewHolder();

??????????? convertView = LayoutInflater.from(

context).inflate(R.layout.list_view, parent, false);

??????????? viewHolder.

textView = convertView.findViewById(R.id.tv);

???????????convertView.setTag(viewHolder);

?? ?????}

else{

??????????? viewHolder= (ViewHolder)convertView.getTag();

??????? }


//? TextViewtextView = convertView.findViewById(R.id.tv);

??????? viewHolder.textView.setText(data.get(position).getName());

??????? Log.e(

"leo", "getView:

"+position);



return convertView;

??? }


private final class ViewHolder{

??????? TextView

textView;

??? }

}

???????????????????????????????????????? RecyclerView


<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" ??? xmlns:tools="http://schemas.android.com/tools" ??? android:layout_width="match_parent" ??? android:layout_height="match_parent" ??? tools:context=".MainActivity" ??? android:orientation="horizontal"> ??? <androidx.recyclerview.widget.RecyclerView ??????? android:id="@+id/rv" ??????? android:layout_width="match_parent" ??????? android:layout_height="match_parent" /> </LinearLayout> ? ? <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" ??? android:orientation="vertical" ??? android:layout_width="match_parent" ??? android:layout_height="match_parent"> ??? <TextView ??????? android:id="@+id/tv" ??????? android:layout_width="wrap_content" ??????? android:layout_height="wrap_content" ??????? android:textSize="20dp" ??????? android:background="@color/colorPrimary" ??????? /> </LinearLayout> ? ? for (int i=0;i<100;i++){ ??? Bean bean=new Bean(); ??? bean.setName("滑動(dòng)欄"+ "--:---" + i); ??? data.add(bean); } RecyclerView recyclerView=findViewById(R.id.rv); LinearLayoutManager linearLayoutManager=new LinearLayoutManager(this); recyclerView.setLayoutManager(linearLayoutManager); MyAdapterRecyclerView?? myAdapterRecyclerView=new MyAdapterRecyclerView(data,this); recyclerView.setAdapter(myAdapterRecyclerView); myAdapterRecyclerView.setOnRecyclerItemClickListener(new MyAdapterRecyclerView.OnRecyclerItemClickListener() { ??? @Override ??? public void OnRecyclerItemClick(int position) { ??????? System.out.println("點(diǎn)擊了"+position); ??? } }); ? ? ? package bibipor.ma; import android.content.Context; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import androidx.annotation.NonNull; import androidx.recyclerview.widget.RecyclerView; import java.util.List; class MyAdapterRecyclerView extends RecyclerView.Adapter<MyAdapterRecyclerView.MyViewHoider> { ??? private List<Bean> data; ??? private Context context; ??? public MyAdapterRecyclerView(List<Bean> data, Context context) { ??????? this.data = data; ??????? this.context = context; ??? } ??? @NonNull ??? //創(chuàng)建MyViewHoider ??? public MyViewHoider onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { ??????? View view=View.inflate(context,R.layout.recycler_view,null); ??????? return new MyViewHoider(view); ??? } ??? //綁定數(shù)據(jù) ??? public void onBindViewHolder(@NonNull MyViewHoider holder, int position) { ??????? holder.tv.setText(data.get(position).getName()); ??? } ??? @Override ??? public int getItemCount() { ??????? return data ==? null ? 0 :data.size(); ??? } ??? public class MyViewHoider extends RecyclerView.ViewHolder { ??????? private TextView tv; ??????? public MyViewHoider(@NonNull View itemView) { ?????????? super(itemView); ??????? tv=itemView.findViewById(R.id.tv); ??????? itemView.setOnClickListener(new View.OnClickListener() { ??????????? @Override ??????????? public void onClick(View v) { ??????????????? onRecyclerItemClickListener.OnRecyclerItemClick(getAdapterPosition()); ??????????? } ??????? }); ??????? } ??? } ??? private OnRecyclerItemClickListener onRecyclerItemClickListener; ??? public void? setOnRecyclerItemClickListener(OnRecyclerItemClickListener listener){ ??????? onRecyclerItemClickListener = listener; ??? } ??? public interface? OnRecyclerItemClickListener{ ??????? void? OnRecyclerItemClick(int position); ??? } } ?

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<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" ??? android:id="@+id/rl" ??? android:layout_width="match_parent" ??? android:layout_height="match_parent" ??? android:background="@drawable/frame"/> ? ? <?xml version="1.0" encoding="utf-8"?> <animation-list xmlns:android="http://schemas.android.com/apk/res/android"> ??? <item android:drawable="@drawable/a" android:duration="120"></item> ??? <item android:drawable="@drawable/b" android:duration="120"></item> ??? <item android:drawable="@drawable/c" android:duration="120"></item> ??? <item android:drawable="@drawable/d" android:duration="120"></item> ??? <item android:drawable="@drawable/e" android:duration="120"></item> ??? <item android:drawable="@drawable/f" android:duration="120"></item> ??? <item android:drawable="@drawable/g" android:duration="120"></item> ??? <item android:drawable="@drawable/h" android:duration="120"></item> </animation-list> ? ? ? package donghua.ma; import androidx.appcompat.app.AppCompatActivity; import android.graphics.drawable.AnimationDrawable; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.view.View; import android.widget.RelativeLayout; public class MainActivity extends AppCompatActivity { ??? private? boolean flag=true; ??? protected void onCreate(Bundle savedInstanceState) { ??????? super.onCreate(savedInstanceState); ??????? setContentView(R.layout.activity_main); ??????? RelativeLayout relativeLayout= findViewById(R.id.rl); ??????? //獲取動(dòng)畫(huà)資源 ??????? final AnimationDrawable anima= (AnimationDrawable) relativeLayout.getBackground(); ??????? relativeLayout.setOnClickListener(new View.OnClickListener() { ??????????? @Override ??????????? public void onClick(View v) { ??????????????? if (flag){ ??????????????????? //開(kāi)啟動(dòng)畫(huà) ??????????????????? anima.start(); ??????????????????? flag= ! flag; ??????????????? }else { ??????????????????? //關(guān)閉資源 ??????????????????? anima.stop(); ??????????????????? flag=! flag; ??????????????? } ??????????? } ??????? }); ??? } } ? ?

?? ??

補(bǔ)間動(dòng)畫(huà)
<ImageView ??? android:id="@+id/iv" ??? android:layout_width="wrap_content" ??? android:layout_height="wrap_content" ??? android:src="@drawable/f" ??? android:adjustViewBounds="true"> </ImageView> ? ???????????????????????????? alpha透明度 <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"> ??? <!--fromAlpha? toAlpha? 透明度的變化? duration? 變化時(shí)間間隔--> ??? <alpha ??????? android:duration="2000" ??????? android:toAlpha="0" ?????? android:fromAlpha="1" ?????? /> </set> ? ? imageView.setOnClickListener(new View.OnClickListener() { ??? @Override ??? public void onClick(View v) { ??????? //通過(guò)加載xml動(dòng)畫(huà)設(shè)置文件創(chuàng)建一個(gè) Animation對(duì)象 ??????? Animation animation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.alpha); ??????? //表示imageView去啟動(dòng)animation 這個(gè)動(dòng)畫(huà) ??????? imageView.startAnimation(animation); ??? } }); ? ? ? ??????????????????? ??? <!-- scale縮放--> ? <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"> ??? <!--縮放--> ??? <scale ??????? android:interpolator= "@android:anim/decelerate_interpolator" ??????? android:duration="2000" ??????? android:fromXScale="1.0" ??????? android:fromYScale="1.0" ??????? android:pivotX="50%" ??????? android:pivotY="50%" ??????? android:repeatCount="0" ??????? android:repeatMode="restart" ??????? android:fillAfter="true" ??????? android:startOffset="0" ??????? android:toXScale="0.5" ??????? android:toYScale="0.5" /> </set> ? ? ???????????????????????? ???? <!-- rotate旋轉(zhuǎn)--> <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"> ??? <!--旋轉(zhuǎn)--> ??? <rotate ??????? android:interpolator="@android:anim/accelerate_interpolator" ??????? android:fromDegrees="0" ??????? android:toDegrees="360" ??????? android:pivotX="50%" ??????? android:pivotY="50%" ??????? android:duration="2000" ??????? android:repeatCount="5" ??????? android:repeatMode="restart"/> </set> ????????? <!-- translate平移--> <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"> ??? <!--平移--> ??? <translate ??????? android:fromXDelta="0" ??????? android:fromYDelta="0" ??????? android:toXDelta="400" ??????? android:toYDelta="400" ??????? android:duration="2000" ??????? /> </set> ? ? ? ? ? ???????????????????????????????????????????????????????????????????????????????????? 屬性動(dòng)畫(huà) ?????????????????????????????????????????????????????????????????????????????????? 改變value值



package bibi.ma; import androidx.appcompat.app.AppCompatActivity; import android.animation.ValueAnimator; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity { ??? @Override ??? protected void onCreate(Bundle savedInstanceState) { ??????? super.onCreate(savedInstanceState); ??????? setContentView(R.layout.activity_main); ??????? ValueAnimator valueAnimator = ValueAnimator.ofFloat(0f, 1f); ??????? valueAnimator.setDuration(20000); ??????? valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { ??????????? private int i; ??????????? @Override ??????????? public void onAnimationUpdate(ValueAnimator animation) { ??????????????? float?? value= (float) animation.getAnimatedValue(); ??????????????? TextView tv = findViewById(R.id.tv); ?????????????? Log.e("leo", "onAnimationUpdate: "+value ); ??????????????? tv.setText(value+""); ??????????? } ??????? }); ??????????????? valueAnimator.start(); ??? } }
TextView textView= findViewById(R.id.tv2); ObjectAnimator objectAnimator = ObjectAnimator.ofFloat(textView, ??????????????????????????????? "alpha",0f,1f ); objectAnimator.setDuration(20000); objectAnimator.start(); ? ? ?
? @Override public void onAnimationCancel(Animator animation) { ??? super.onAnimationCancel(animation); ??? Log.e("leo", "動(dòng)畫(huà)取消了: " +new Date()); } @Override public void onAnimationRepeat(Animator animation) { ??? super.onAnimationRepeat(animation); ??? Log.e("leo", "動(dòng)畫(huà)關(guān)閉了: " +new Date()); } @Override public void onAnimationStart(Animator animation) { ??? super.onAnimationStart(animation); ??? Log.e("leo", "動(dòng)畫(huà)開(kāi)始了: " +new Date()); } @Override public void onAnimationPause(Animator animation) { ??? super.onAnimationPause(animation); ??? Log.e("leo", "動(dòng)畫(huà)暫停了: " +new Date()); } @Override public void onAnimationResume(Animator animation) { ??? super.onAnimationResume(animation); ??? Log.e("leo", "動(dòng)畫(huà)繼續(xù)了: " +new Date()); } ? @Override public void onAnimationEnd(Animator animation) { ??? super.onAnimationResume(animation); ??? Log.e("leo", "動(dòng)畫(huà)結(jié)束了: " +new Date()); } ??????
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