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我試圖創建一個應用程序,symply打開Gmail。我用兩個功能:startApplication和launchApp:從Android應用程序打開Gmail
public void startApplication(String packageName){
try
{
Intent intent = new Intent("android.intent.action.MAIN");
intent.addCategory("android.intent.category.LAUNCHER");
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
List<ResolveInfo> resolveInfoList = getPackageManager().queryIntentActivities(intent, 0);
for(ResolveInfo info : resolveInfoList)
if(info.activityInfo.packageName.equalsIgnoreCase(packageName))
{
toast = Toast.makeText(MainActivity.this, "Gmail opened", Toast.LENGTH_LONG);
toast.show();
launchApp(info.activityInfo.packageName, info.activityInfo.name);
return;
}
}
catch (Exception e)
{
toast = Toast.makeText(MainActivity.this, "Can't find Gmail", Toast.LENGTH_LONG);
toast.show();
}
}
這是launchApp功能:
private void launchApp(String packageName, String name)
{
Intent intent = new Intent("android.intent.action.MAIN");
intent.addCategory("android.intent.category.LAUNCHER");
intent.setComponent(new ComponentName(packageName, name));
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
我從我的MainActivity中的onCreate功能
startApplication( 「com.gmail」)調用;
我嘗試在模擬器和智能手機上運行此應用程序,但程序崩潰。什麼是錯誤?
後烏爾logcat的.. – Gridtestmail
_Are你問我們要告訴錯誤_?你有logcat,爲什麼不告訴我們這個錯誤。 –
我的logcat位於http://pastebin.com/cJutP0HJ – hasmet