返回键当Home键使用方法

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PackageManager pm = getPackageManager();            ResolveInfo homeInfo =           pm.resolveActivity(new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME), 0);         ActivityInfo ai = homeInfo.activityInfo;            Intent startIntent = new Intent(Intent.ACTION_MAIN);            startIntent.addCategory(Intent.CATEGORY_LAUNCHER);            startIntent.setComponent(new ComponentName(ai.packageName, ai.name));            startActivitySafely(startIntent);

private void startActivitySafely(Intent intent) {            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);            try {                startActivity(intent);            } catch (ActivityNotFoundException e) {                Toast.makeText(this, "null",                        Toast.LENGTH_SHORT).show();            } catch (SecurityException e) {                Toast.makeText(this, "null",                        Toast.LENGTH_SHORT).show();             }        }

自己用的

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