Android 从您自己的(意图)打开另一个应用程序
我知道如何更新自己的程序,我知道如何使用预定义的Uri打开程序(例如,对于sms或电子邮件) 我需要知道如何创建打开MyTracks或任何其他应用程序的意图,而我不知道他们在听什么 我从DDMS那里得到了这些信息,但我还没有成功地将其转化为我可以使用的意图。这是从手动打开MyTracks时获取的 谢谢你的帮助Android 从您自己的(意图)打开另一个应用程序,android,android-intent,Android,Android Intent,我知道如何更新自己的程序,我知道如何使用预定义的Uri打开程序(例如,对于sms或电子邮件) 我需要知道如何创建打开MyTracks或任何其他应用程序的意图,而我不知道他们在听什么 我从DDMS那里得到了这些信息,但我还没有成功地将其转化为我可以使用的意图。这是从手动打开MyTracks时获取的 谢谢你的帮助 05-06 11:22:24.945: INFO/ActivityManager(76): Starting activity: Intent { act=android.intent.a
05-06 11:22:24.945: INFO/ActivityManager(76): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.google.android.maps.mytracks/com.google.android.apps.mytracks.MyTracks bnds=[243,338][317,417] }
05-06 11:22:25.005: INFO/ActivityManager(76): Start proc com.google.android.maps.mytracks for activity com.google.android.maps.mytracks/com.google.android.apps.mytracks.MyTracks: pid=1176 uid=10063 gids={3003, 1015}
05-06 11:22:26.995: INFO/ActivityManager(76): Displayed activity com.google.android.maps.mytracks/com.google.android.apps.mytracks.MyTracks: 1996 ms (total 1996 ms)
首先,Android中的“应用程序”的概念是一个稍微扩展的概念
一个应用程序(从技术上讲是一个过程)可以有多个活动、服务、内容提供者和/或广播侦听器。如果其中至少有一个正在运行,则应用程序已启动并正在运行(进程)
因此,您必须确定您希望如何“启动应用程序”
好的。。。以下是您可以尝试的:
action=MAIN
和category=LAUNCHER
context.getPackageManager
packageManager.queryIntentActivity(,0)
其中intent具有category=LAUNCHER
、action=MAIN
或packageManager.resolveActivity(,0)
以获取带有MAIN/LAUNCHER的第一个活动ActivityInfo
ActivityInfo
获取packageName
和name
category=LAUNCHER
、action=MAIN
、componentName=newcomponentname(packageName,name)
和setFlags(intent.FLAG\u ACTIVITY\u new\u TASK)
context.startActivity(newIntent)
startActivity(intent)之前添加一行代码>
我必须这样做
/** Open another app.
* @param context current Context, like Activity, App, or Service
* @param packageName the full package name of the app to open
* @return true if likely successful, false if unsuccessful
*/
public static boolean openApp(Context context, String packageName) {
PackageManager manager = context.getPackageManager();
try {
Intent i = manager.getLaunchIntentForPackage(packageName);
if (i == null) {
return false;
//throw new ActivityNotFoundException();
}
i.addCategory(Intent.CATEGORY_LAUNCHER);
context.startActivity(i);
return true;
} catch (ActivityNotFoundException e) {
return false;
}
}
用法示例:
openApp(this, "com.google.android.maps.mytracks");
希望它能帮助别人。这是我基于MasterGaurav解决方案的解决方案代码:
private void launchComponent(String packageName, String name){
Intent launch_intent = new Intent("android.intent.action.MAIN");
launch_intent.addCategory("android.intent.category.LAUNCHER");
launch_intent.setComponent(new ComponentName(packageName, name));
launch_intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
activity.startActivity(launch_intent);
}
public void startApplication(String application_name){
try{
Intent intent = new Intent("android.intent.action.MAIN");
intent.addCategory("android.intent.category.LAUNCHER");
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
List<ResolveInfo> resolveinfo_list = activity.getPackageManager().queryIntentActivities(intent, 0);
for(ResolveInfo info:resolveinfo_list){
if(info.activityInfo.packageName.equalsIgnoreCase(application_name)){
launchComponent(info.activityInfo.packageName, info.activityInfo.name);
break;
}
}
}
catch (ActivityNotFoundException e) {
Toast.makeText(activity.getApplicationContext(), "There was a problem loading the application: "+application_name,Toast.LENGTH_SHORT).show();
}
}
private void launchComponent(字符串packageName,字符串名称){
Intent-launch_-Intent=newintent(“android.Intent.action.MAIN”);
launch_intent.addCategory(“android.intent.category.LAUNCHER”);
启动_intent.setComponent(新组件名(packageName,name));
启动\u intent.setFlags(intent.FLAG\u活动\u新任务);
活动。启动活动(启动意图);
}
public void startApplication(字符串应用程序名称){
试一试{
Intent-Intent=newintent(“android.Intent.action.MAIN”);
addCategory(“android.intent.category.LAUNCHER”);
intent.addFlags(intent.FLAG\u活动\u无\u动画);
List resolveinfo_List=activity.getPackageManager().queryInputActivities(intent,0);
对于(ResolveInfo:ResolveInfo_列表){
if(info.activityInfo.packageName.equalsIgnoreCase(应用程序名称)){
启动组件(info.activityInfo.packageName、info.activityInfo.name);
打破
}
}
}
捕获(ActivityNotFounde异常){
Toast.makeText(activity.getApplicationContext(),“加载应用程序时出现问题:“+application\u name,Toast.LENGTH\u SHORT).show();
}
}
如果您已经有了要激活的软件包名称,可以使用以下更通用的代码:
PackageManager pm = context.getPackageManager();
Intent appStartIntent = pm.getLaunchIntentForPackage(appPackageName);
if (null != appStartIntent)
{
context.startActivity(appStartIntent);
}
我发现,对于启动主活动的常规方法找不到主活动的情况,它的效果更好。由于不允许应用程序更改许多电话设置,因此您可以像打开其他应用程序一样打开设置活动
在实际手动修改设置后,查看LogCat输出:
INFO/ActivityManager(1306): Starting activity: Intent { act=android.intent.action.MAIN cmp=com.android.settings/.DevelopmentSettings } from pid 1924
然后使用此选项显示应用程序中的设置页面:
String SettingsPage = "com.android.settings/.DevelopmentSettings";
try
{
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setComponent(ComponentName.unflattenFromString(SettingsPage));
intent.addCategory(Intent.CATEGORY_LAUNCHER );
startActivity(intent);
}
catch (ActivityNotFoundException e)
{
log it
}
使用inversus提供的解决方案,我用一个函数扩展了代码段,该函数将在当前未安装所需应用程序时调用。所以它的工作原理类似于:按包名运行应用程序。如果找不到,请打开Android market-谷歌播放此软件包
对于API级别3+,只有一行代码:
Intent Intent=context.getPackageManager().getLaunchIntentForPackage(“name.of.package”);
返回CATEGORY_INFO launch Intent(没有启动程序活动的应用程序,例如墙纸,经常使用它来提供有关应用程序的一些信息),如果没有,则返回包的CATEGORY_launch(如果存在) 使用以下命令:
PackageManager pm = getPackageManager();
Intent intent = pm.getLaunchIntentForPackage("com.package.name");
startActivity(intent);
如果您试图启动服务而不是活动,这对我来说很有效:
Intent intent = new Intent();
intent.setClassName("com.example.otherapplication", "com.example.otherapplication.ServiceName");
context.startService(intent);
如果您使用其他答案中提到的intent.setComponent(…)方法,您可能会收到“startService的隐式intent不安全”警告。打开应用程序(如果存在),或打开Play Store应用程序进行安装:
private void open() {
openApplication(getActivity(), "com.app.package.here");
}
public void openApplication(Context context, String packageN) {
Intent i = context.getPackageManager().getLaunchIntentForPackage(packageN);
if (i != null) {
i.addCategory(Intent.CATEGORY_LAUNCHER);
context.startActivity(i);
} else {
try {
context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + packageN)));
}
catch (android.content.ActivityNotFoundException anfe) {
context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("http://play.google.com/store/apps/details?id=" + packageN)));
}
}
}
//这适用于Android棒棒糖5.0.2
public static boolean launchApp(Context context, String packageName) {
final PackageManager manager = context.getPackageManager();
final Intent appLauncherIntent = new Intent(Intent.ACTION_MAIN);
appLauncherIntent.addCategory(Intent.CATEGORY_LAUNCHER);
List<ResolveInfo> resolveInfos = manager.queryIntentActivities(appLauncherIntent, 0);
if ((null != resolveInfos) && (!resolveInfos.isEmpty())) {
for (ResolveInfo rInfo : resolveInfos) {
String className = rInfo.activityInfo.name.trim();
String targetPackageName = rInfo.activityInfo.packageName.trim();
Log.d("AppsLauncher", "Class Name = " + className + " Target Package Name = " + targetPackageName + " Package Name = " + packageName);
if (packageName.trim().equals(targetPackageName)) {
Intent intent = new Intent();
intent.setClassName(targetPackageName, className);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
Log.d("AppsLauncher", "Launching Package '" + packageName + "' with Activity '" + className + "'");
return true;
}
}
}
return false;
}
publicstaticbooleanlaunchapp(上下文,字符串packageName){
最终PackageManager=context.getPackageManager();
最终意图appLauncherIntent=新意图(Intent.ACTION\u MAIN);
appLauncherIntent.addCategory(Intent.CATEGORY_启动器);
List resolveInfos=manager.QueryInputActivities(appLauncherIntent,0);
if((null!=resolveInfos)&&(!resolveInfos.isEmpty()){
for(ResolveInfo-rInfo:resolveInfos){
String className=rInfo.activityInfo.name.trim();
字符串targetPackageName=rInfo.activityInfo.packageName.trim();
Log.d(“AppsLauncher”、“类名=“+className+”目标包名=“+targetPackageName+”包名=“+packageName”);
if(packageName.trim().equals(targetPackageName)){
意图=新意图();
intent.setClassName(targetPackageName,className);
intent.setFlags(intent.FLAG\u活动\u新任务);
背景。开始触觉(意图);
Log.d(“Ap
startApplication("org.teepee.bazant");
PackageManager pm = getPackageManager();
Intent intent = pm.getLaunchIntentForPackage("com.package.name");
startActivity(intent);
Intent intent = new Intent();
intent.setClassName("com.example.otherapplication", "com.example.otherapplication.ServiceName");
context.startService(intent);
private void open() {
openApplication(getActivity(), "com.app.package.here");
}
public void openApplication(Context context, String packageN) {
Intent i = context.getPackageManager().getLaunchIntentForPackage(packageN);
if (i != null) {
i.addCategory(Intent.CATEGORY_LAUNCHER);
context.startActivity(i);
} else {
try {
context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + packageN)));
}
catch (android.content.ActivityNotFoundException anfe) {
context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("http://play.google.com/store/apps/details?id=" + packageN)));
}
}
}
public static boolean launchApp(Context context, String packageName) {
final PackageManager manager = context.getPackageManager();
final Intent appLauncherIntent = new Intent(Intent.ACTION_MAIN);
appLauncherIntent.addCategory(Intent.CATEGORY_LAUNCHER);
List<ResolveInfo> resolveInfos = manager.queryIntentActivities(appLauncherIntent, 0);
if ((null != resolveInfos) && (!resolveInfos.isEmpty())) {
for (ResolveInfo rInfo : resolveInfos) {
String className = rInfo.activityInfo.name.trim();
String targetPackageName = rInfo.activityInfo.packageName.trim();
Log.d("AppsLauncher", "Class Name = " + className + " Target Package Name = " + targetPackageName + " Package Name = " + packageName);
if (packageName.trim().equals(targetPackageName)) {
Intent intent = new Intent();
intent.setClassName(targetPackageName, className);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
Log.d("AppsLauncher", "Launching Package '" + packageName + "' with Activity '" + className + "'");
return true;
}
}
}
return false;
}
Intent intent = new Intent();
intent.setClassName("com.xyz.myapplication", "com.xyz.myapplication.SplashScreenActivity");
startActivity(intent);
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
String packagename = "com.example.app";
startActivity(getPackageManager().getLaunchIntentForPackage(packagename));
Intent launchIntent = getActivity.getPackageManager().getLaunchIntentForPackage("com.ionicframework.uengage");
startActivity(launchIntent);
String packageN = "aman4india.com.pincodedirectory";
Intent i = getPackageManager().getLaunchIntentForPackage(packageN);
if (i != null) {
i.addCategory(Intent.CATEGORY_LAUNCHER);
startActivity(i);
} else {
try {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + packageN)));
}
catch (android.content.ActivityNotFoundException anfe) {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("http://play.google.com/store/apps/details?id=" + packageN)));
}
}
public static boolean openOtherApp(Context context, String packageName) {
PackageManager manager = context.getPackageManager();
try {
Intent intent = manager.getLaunchIntentForPackage(packageName);
if (intent == null) {
//the app is not installed
try {
intent = new Intent(Intent.ACTION_VIEW);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setData(Uri.parse("market://details?id=" + packageName));
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
//throw new ActivityNotFoundException();
return false;
}
}
intent.addCategory(Intent.CATEGORY_LAUNCHER);
context.startActivity(intent);
return true;
} catch (ActivityNotFoundException e) {
return false;
}
}
openOtherApp(getApplicationContext(), "com.packageappname");
adb shell pm list packages -3 -f