如何在Android中实现悬浮Activity
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WindowManager wm;
WindowManager.LayoutParams wmlp;
LinearLayout linear;
EditText t;
wm = (WindowManager) getSystemService(WINDOW_SERVICE);
wmlp = new WindowManager.LayoutParams();
wmlp.type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
wmlp.gravity = Gravity.TOP|Gravity.LEFT;
wmlp.format = PixelFormat.RGBA_8888;
wmlp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|WindowManager.LayoutParams.FLAG_FULLSCREEN|WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
wmlp.x = 0;//悬浮窗左上角的x坐标
wmlp.y = 0;//悬浮窗左上角的坐标
wmlp.width = 50;//宽
wmlp.height = 30;//高
linear = new LinearLayout(getApplicationContext());//悬浮窗显示的布局
linear.setGravity(Gravity.BOTTOM|Gravity.LEFT);
//组件
t = new TextView(getApplicationContext()); //文本
t.setTextColor(Color.RED);//文本颜色
t.setText("哈哈");
linear.addView(t);//将textview添加进布局
wm.addView(linear,wmlp); // 窗口管理器添加这个部件
WindowManager.LayoutParams wmlp;
LinearLayout linear;
EditText t;
wm = (WindowManager) getSystemService(WINDOW_SERVICE);
wmlp = new WindowManager.LayoutParams();
wmlp.type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
wmlp.gravity = Gravity.TOP|Gravity.LEFT;
wmlp.format = PixelFormat.RGBA_8888;
wmlp.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|WindowManager.LayoutParams.FLAG_FULLSCREEN|WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
wmlp.x = 0;//悬浮窗左上角的x坐标
wmlp.y = 0;//悬浮窗左上角的坐标
wmlp.width = 50;//宽
wmlp.height = 30;//高
linear = new LinearLayout(getApplicationContext());//悬浮窗显示的布局
linear.setGravity(Gravity.BOTTOM|Gravity.LEFT);
//组件
t = new TextView(getApplicationContext()); //文本
t.setTextColor(Color.RED);//文本颜色
t.setText("哈哈");
linear.addView(t);//将textview添加进布局
wm.addView(linear,wmlp); // 窗口管理器添加这个部件
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