Android StatusBar 透明化方法

<resources>  
    <style name="Theme.AppTheme.TranslucentStatusBar" parent="Theme.AppCompat.Light.NoActionBar" />  
</resources>  

<resources>  
    <style name="Theme.AppTheme.TranslucentStatusBar" parent="Theme.AppCompat.Light.NoActionBar">  
        <item name="android:windowTranslucentStatus">true</item>  
    </style>  
</resources>  

<resources>  
    <style name="Theme.AppTheme.TranslucentStatusBar" parent="Theme.AppCompat.Light.NoActionBar">  
        <item name="android:statusBarColor">@android:color/transparent</item>  
    </style>  
</resources>  

<resources>  
    <style name="Theme.AppTheme.TranslucentStatusBar" parent="Theme.AppCompat.Light.NoActionBar">  
        <item name="android:statusBarColor">@android:color/transparent</item>  
        <item name="android:windowLightStatusBar">true</item>  
    </style>  
</resources>  

public class ImagePreActivity extends AppCompatActivity {  
  
    @Override  
    protected void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
 
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {  
            findViewById(android.R.id.content).setSystemUiVisibility(  
                    View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);  
        }  
        setContentView(R.layout.activity_image_pre_layout);  
    }  
}  

<activity  
    android:name=".ImagePreActivity"  
    android:theme="@style/Theme.AppTheme.TranslucentStatusBar" />