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android 动态背景 android 仿QQ动态背景、视频背景的代码实例

RenRuiTao 人气:0
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本文介绍了android 仿QQ动态背景、视频背景的示例代码,分享给大家,具体如下:

效果如下:

 

如上图类似效果图:

1, 自定义视频类 继承VideoView

 public class CustomVideoView extends VideoView {

  public CustomVideoView(Context context) {
    super(context);
  }

  public CustomVideoView(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public CustomVideoView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    //我们重新计算高度
    int width = getDefaultSize(0, widthMeasureSpec);
    int height = getDefaultSize(0, heightMeasureSpec);
    setMeasuredDimension(width, height);
  }

  @Override
  public void setOnPreparedListener(MediaPlayer.OnPreparedListener l) {
    super.setOnPreparedListener(l);
  }

  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    return super.onKeyDown(keyCode, event);
  }
}

MainActivity 中:

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private CustomVideoView videoview;
    private Button  btn_enter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      // requestWindowFeature(Window.FEATURE_NO_TITLE);
      setContentView(R.layout.activity_main);
      initView();
    }

    /**
     * 初始化
     */
    private void initView() {
      btn_enter = (Button) findViewById(R.id.btn_enter);
      btn_enter.setOnClickListener(this);

      videoview = (CustomVideoView) findViewById(R.id.videoview);
      videoview.setVideoURI(Uri.parse("android.resource://"+getPackageName()+"/"+R.raw.shipin2));

      //播放
      videoview.start();
      //循环播放
      videoview.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
        @Override
        public void onCompletion(MediaPlayer mediaPlayer) {
          videoview.start();
          mediaPlayer.setOnInfoListener(new MediaPlayer.OnInfoListener() {
            @Override
            public boolean onInfo(MediaPlayer mp, int what, int extra) {
              return false;
            }
          });
        }
      });

    }

    @Override
    public void onClick(View view) {
      switch (view.getId()){
        case R.id.btn_enter:
          Toast.makeText(this,"登录成功了",Toast.LENGTH_SHORT).show();
          break;
      }
    }

    //返回重启加载
    @Override
    protected void onRestart() {
      super.onRestart();
      initView();
    }

    //防止锁屏或者切出的时候,音乐在播放
    @Override
    protected void onStop() {
      super.onStop();
      videoview.stopPlayback();
    }
  }

读取视频的问题: 把视频放到和res/raw文件夹里面了

布局文件中:

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

     <!--CustomVideoView 自定义视频类的位置-->
    <application1.applicationlong.CustomVideoView
      android:id="@+id/videoview"
      android:layout_width="match_parent"
      android:layout_height="match_parent" />

    <LinearLayout
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:gravity="top"
      android:orientation="vertical">

      <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="38dp"
        android:layout_marginRight="38dp"
        android:layout_marginTop="70dp"
        android:orientation="vertical">

        <EditText
          android:id="@+id/et_phone"
          android:layout_width="match_parent"
          android:layout_height="40dp"
          android:layout_gravity="center_vertical"
          android:background="@null"
          android:digits="0123456789"
          android:gravity="center_vertical"
          android:hint="请输入手机号"
          android:inputType="number"
          android:maxLength="11"
          android:maxLines="1"
          android:paddingLeft="5dp"
          android:textColor="@android:color/white"
          android:textColorHint="@android:color/white"
          android:textSize="18sp"/>

        <View
          android:layout_width="match_parent"
          android:layout_height="1dp"
          android:layout_alignParentBottom="true"
          android:background="@color/black"/>

        <EditText
          android:id="@+id/et_pwd"
          android:layout_width="match_parent"
          android:layout_height="40dp"
          android:layout_marginTop="20dp"
          android:background="@null"
          android:gravity="center_vertical"
          android:hint="请输入密码"
          android:inputType="textPassword"
          android:maxLength="11"
          android:maxLines="1"
          android:paddingLeft="5dp"
          android:textColor="@android:color/white"
          android:textColorHint="@android:color/white"
          android:textSize="18sp"/>

        <View
          android:layout_width="match_parent"
          android:layout_height="1dp"
          android:layout_alignParentBottom="true"
          android:background="@color/black"/>

      </LinearLayout>

      <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="23dp"
        android:layout_marginRight="23dp"
        android:orientation="horizontal">

        <TextView
          android:id="@+id/tv_register"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:padding="15dp"
          android:text="快速注册"
          android:textColor="@color/green"/>

        <TextView
          android:id="@+id/tv_find_pwd"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_alignParentEnd="true"
          android:layout_alignParentRight="true"
          android:layout_alignParentTop="true"
          android:gravity="right"
          android:padding="15dp"
          android:text="忘记密码?"
          android:textColor="@color/green"/>

      </RelativeLayout>

      <Button
        android:id="@+id/btn_enter"
        style="?android:attr/borderlessButtonStyle"
        android:layout_width="match_parent"
        android:layout_height="45dp"
        android:layout_gravity="center_horizontal"
        android:layout_marginLeft="30dp"
        android:layout_marginRight="30dp"
        android:layout_marginTop="20dp"
        android:background="@color/darkseagreen"
        android:text="登录"
        android:textColor="@color/white"
        android:textSize="18dp"/>

    </LinearLayout>

    <LinearLayout
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_gravity="bottom"
      android:paddingBottom="30dp"
      android:orientation="vertical">
      <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="90dp"
        android:gravity="center"
        android:text="使用第三方登录"
        android:textColor="@color/white"
        android:textSize="16dp"
        android:visibility="visible"/>

      <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:orientation="horizontal">

        <ImageView
          android:id="@+id/iv_wechat"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_marginTop="10dp"
          android:padding="10dp"
          android:src="@drawable/qq"/>

        <ImageView
          android:id="@+id/iv_qq"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_marginLeft="20dp"
          android:layout_marginTop="10dp"
          android:padding="10dp"
          android:src="@drawable/weixin"/>
      </LinearLayout>
    </LinearLayout>
  </FrameLayout>

注意:

视频资源要添加res文件夹下创建raw文件夹

需要在onRestart()方法里重新加载视频,防止退出返回时视频黑屏

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