android.content.Context#startActivity ( )源码实例Demo

下面列出了android.content.Context#startActivity ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： UpdateFun 文件： InstallApk.java

public static void startInstall(Context context, File apkfile) {
    if (!apkfile.exists()) {
        return;
    }
    Intent intent = new Intent(Intent.ACTION_VIEW);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
        intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        Uri contentUri = FileProvider.getUriForFile(context, context.getString(R.string.updatefun_provider_file_authorities), apkfile);
        intent.setDataAndType(contentUri, "application/vnd.android.package-archive");
    } else {
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setDataAndType(Uri.parse("file://" + apkfile.toString()),
                "application/vnd.android.package-archive");
    }
    context.startActivity(intent);
}

源代码2 项目： aptoide-client-v8 文件： CustomTabNativeReceiver.java

@Override public void onReceive(Context context, Intent intent) {
  String url = intent.getDataString();

  if (url != null) {
    Set<String> listOfPackagesThatResolveUri = getNativeAppPackage(context, Uri.parse(url));
    String availableNativeAppPackageName = null;
    if (listOfPackagesThatResolveUri.iterator()
        .hasNext()) {
      availableNativeAppPackageName = listOfPackagesThatResolveUri.iterator()
          .next();
    }

    if (availableNativeAppPackageName != null) {
      Intent launchIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
      Bundle httpHeaders = new Bundle();
      httpHeaders.putString(REFERER_ATTRIBUTE, REFERER_VALUE);
      launchIntent.putExtra(Browser.EXTRA_HEADERS, httpHeaders);
      launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      context.startActivity(launchIntent);
    } else {
      Toast.makeText(context, "No application to open.", Toast.LENGTH_SHORT)
          .show();
    }
  }
}

源代码3 项目： pc-android-controller-android 文件： Navigator.java

public static void launchMain (Context context) {
//        Intent intent = new Intent(Intent.ACTION_MAIN);
//        intent.addCategory(Intent.CATEGORY_LAUNCHER);
//        context.startActivity(intent);

        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        ComponentName cn = new ComponentName("com.example.a90678.wechat_group_send_17_07_02_17_35",
                "com.example.a90678.wechat_group_send_17_07_02_17_35.access.MainActivity");
        intent.setComponent(cn);
        if (intent == null) {
            L.e("intent is null ");
            return;
        }
        ;
        context.startActivity(intent);
    }

源代码4 项目： NClientV2 文件： Global.java

public static void shareURL(Context context,String title, String url){
    Intent sendIntent = new Intent();
    sendIntent.setAction(Intent.ACTION_SEND);
    sendIntent.putExtra(Intent.EXTRA_TEXT,title+": "+url);
    sendIntent.setType("text/plain");
    Intent clipboardIntent = new Intent(context, CopyToClipboardActivity.class);
    clipboardIntent.setData(Uri.parse(url));
    Intent chooserIntent = Intent.createChooser(sendIntent,context.getString(R.string.share_with));
    chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { clipboardIntent });
    context.startActivity(chooserIntent);
}

源代码5 项目： VMLibrary 文件： VMRouter.java

/**
 * 带有 flag 和序列化参数的 finish 跳转
 *
 * @param context 上下文对象
 * @param target  目标
 * @param flags   条件
 */
protected static void forward(Context context, Class<? extends Activity> target, int flags, Parcelable parcelable) {
    Intent intent = new Intent(context, target);
    setFlags(intent, flags);
    putParams(intent, parcelable);
    context.startActivity(intent);
    if (isActivity(context)) {
        ((Activity) context).finish();
    }
}

源代码6 项目： SimpleExplorer 文件： SimpleUtils.java

public static void openFile(final Context context, final File target) {
    final String mime = MimeTypes.getMimeType(target);

    Intent intent = new Intent();
    intent.setAction(Intent.ACTION_VIEW);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
        intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        Uri contentUri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".fileprovider", target);
        intent.setDataAndType(contentUri, mime);

        if (mime != null) {
            intent.setDataAndType(contentUri, mime);
        } else {
            intent.setDataAndType(contentUri, "*/*");
        }
    } else {
        if (mime != null) {
            intent.setDataAndType(Uri.fromFile(target), mime);
        } else {
            intent.setDataAndType(Uri.fromFile(target), "*/*");
        }
    }

    if (context.getPackageManager().queryIntentActivities(intent, 0).isEmpty()) {
        Toast.makeText(context, R.string.cantopenfile, Toast.LENGTH_SHORT).show();
        return;
    }

    try {
        context.startActivity(intent);
    } catch (Exception e) {
        Toast.makeText(context, context.getString(R.string.cantopenfile) + e.getMessage(),
                Toast.LENGTH_SHORT).show();
    }
}

源代码7 项目： Fishing 文件： ServiceResponse.java

public void onServiceError(int status,String info){
    if(status == API.CODE.LOGIN_INVALID){
        Context ctx = JActivityManager.getInstance().currentActivity();
        ctx.startActivity(new Intent(ctx, LoginActivity.class));
        return;
    }
    JUtils.Toast(info);
}

源代码8 项目： letv 文件： SharePageEditActivity.java

public static void launch(Context activity, int from, String title, String icon, int id, int type, int cid, String year, String director, String actor, long timeLength, int order, int vid, int mode, String comment, String staticsId, String fragId) {
    LogInfo.log("fornia", "标题 title:" + title + "评论或者角色 mode:" + mode + "comment:" + comment);
    mActivity = null;
    Intent intent = new Intent(activity, SharePageEditActivity.class);
    intent.putExtra("from", from);
    if (mode == -1) {
        intent.putExtra("launchMode", 2);
        intent.putExtra("comment", comment);
    } else if (mode == 5) {
        intent.putExtra("launchMode", 12);
        intent.putExtra("comment", comment);
    } else if (mode == 4) {
        intent.putExtra("launchMode", 11);
        intent.putExtra("comment", comment);
    } else if (mode == 6) {
        intent.putExtra("launchMode", 13);
        intent.putExtra("role", comment);
    }
    intent.putExtra("title", title);
    intent.putExtra(SettingsJsonConstants.APP_ICON_KEY, icon);
    intent.putExtra("id", id);
    intent.putExtra("type", type);
    intent.putExtra("cid", cid);
    intent.putExtra("year", year);
    intent.putExtra("director", director);
    intent.putExtra("actor", actor);
    intent.putExtra("timeLength", timeLength);
    intent.putExtra("order", order);
    intent.putExtra("vid", vid);
    intent.putExtra(PlayConstant.LIVE_MODE, mode);
    intent.putExtra("staticsId", staticsId);
    intent.putExtra("fragId", fragId);
    activity.startActivity(intent);
}

源代码9 项目： SafelyAndroid 文件： StartActivityDelegate.java

/**
 * start activity from {@link Context}
 *
 * @param context context we start from
 * @param intent intent to start
 * @param options options used to start activity
 * @return {@code true} if we start it safely, {@code false} if it's unsafe so we didn't start
 * it
 */
public static boolean startActivitySafely(@NonNull Context context, @NonNull Intent intent,
        Bundle options) {
    if (isIntentSafe(context.getPackageManager(), intent)) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            context.startActivity(intent, options);
        } else {
            context.startActivity(intent);
        }
        return true;
    }
    return false;
}

源代码10 项目： AndroidDocumentViewer 文件： FileViewerUtils.java

/**
 * Android 4.4 系统上文件查看
 *
 * @param context
 * @param fileName
 */
public static void viewFile4_4(Context context, String fileName) {
    String ext = getExtension(fileName);
    if (TextUtils.isEmpty(ext)) {
        AndroidUtils.showToast(context, context.getString(R.string.file_not_recognized));
        return;
    }
    Intent intent = IntentUtils.getFileViewIntent(context, fileName);
    if (intent != null) {
        Intent newIntent = Intent.createChooser(intent, context.getString(R.string.choose_one_activity_to_open));
        context.startActivity(newIntent);
    } else {
        FileViewerUtils.viewFile(context, fileName);
    }
}

源代码11 项目： Simpler 文件： FileUtils.java

/**
 * 打开多媒体文件.
 *
 * @param context 上下文
 * @param file    多媒体文件
 */
public static void playSound(Context context, File file) {

    try {
        // 调用系统程序打开文件.
        Intent intent = new Intent(Intent.ACTION_VIEW);
        //			intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        //			intent.setClassName("com.android.music", "com.android.music.MediaPlaybackActivity");
        intent.setDataAndType(Uri.fromFile(file), "audio/*");
        context.startActivity(intent);
    } catch (Exception ex) {
        Toast.makeText(context, "打开失败.", Toast.LENGTH_SHORT).show();
    }
}

源代码12 项目： DeviceConnect-Android 文件： BleEnableActivity.java

public static void requestEnableBluetooth(final Context context, final ResultReceiver resultReceiver) {
    Intent callIntent = new Intent(context, BleEnableActivity.class);
    callIntent.putExtra(EXTRA_CALLBACK, resultReceiver);
    callIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP
            | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
    context.startActivity(callIntent);
}

源代码13 项目： alpha-wallet-android 文件： ManageWalletsRouter.java

public void open(Context context, boolean isClearStack) {
    Intent intent = new Intent(context, WalletsActivity.class);
    if (isClearStack) {
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
    }
    context.startActivity(intent);
}

源代码14 项目： Yuan-WanAndroid 文件： ShareUtils.java

/**
 * 打开浏览器
 */
public static void openBrowser(Context context, String address){
    if (TextUtils.isEmpty(address) || address.startsWith("file://")) {
        CommonUtils.toastShow(context.getString(R.string.article_browser_error));
        return;
    }
    Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.setData(Uri.parse(address));
    if(context.getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY) != null){
        context.startActivity(intent);
    }else {
        CommonUtils.toastShow(context.getString(R.string.open_browser_unknown));
    }
}

源代码15 项目： sms-ticket 文件： IntentUtils.java

/**
 * Launches navigation in Google Maps.
 *
 * @throws ActivityNotFoundException if no navigation application
 */
public static void launchNavigation(Context context, double latitude, double longitude) {
    Intent intent = createLaunchNavigationIntent(latitude, longitude);
    checkContext(context, intent);
    context.startActivity(intent);
}

源代码16 项目： WanAndroid 文件： CollectionActivity.java

public static void startActivity(Context context) {
    Intent intent = new Intent(context, CollectionActivity.class);
    context.startActivity(intent);
}

源代码17 项目： talk-android 文件： FileUtil.java

/**
 * 根据文件类型打开文件
 */
public static void openFileByType(Context context, String type, File file) {
    Intent intent = null;

    if (StringUtil.isNotBlank(type) && file.isFile()) {
        if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_text))) {
            intent = OpenFileIntent.getTextFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_image))) {
            intent = OpenFileIntent.getImageFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_pdf))) {
            intent = OpenFileIntent.getPdfFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_html))) {
            intent = OpenFileIntent.getHtmlFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_word))) {
            intent = OpenFileIntent.getWordFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_excel))) {
            intent = OpenFileIntent.getExcelFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_ppt))) {
            intent = OpenFileIntent.getPPTFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_apk))) {
            intent = OpenFileIntent.getApkFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_audio))) {
            intent = OpenFileIntent.getAudioFileIntent(file);
        } else if (checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_video))) {
            intent = OpenFileIntent.getVideoFileIntent(file);
        } else if ((checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_rar))) ||
                checkEndsWithInFileType(type, getStringArray(context, R.array.file_type_zip))) {
            intent = OpenFileIntent.getZipFileIntent(file);
        }

        if (file.exists() && intent != null) {
            try {
                context.startActivity(intent);
            } catch (ActivityNotFoundException e) {
                e.printStackTrace();
                MainApp.showToastMsg("can't open this file, please install related app to open it.");
            }

        } else {
            MainApp.showToastMsg("can't open this file.");
        }
    } else {
        MainApp.showToastMsg("can't open this file.");
    }

}

源代码18 项目： AndroidRxJavaSample 文件： UseRxJavaRightWayActivity.java

public static void launch(Context context) {
    context.startActivity(new Intent(context, UseRxJavaRightWayActivity.class));
}

源代码19 项目： CrazyDaily 文件： ContactsAdapter.java

private void enterSms(Context context, String phone) {
    Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.parse("smsto:" + phone));
    context.startActivity(intent);
}

源代码20 项目： BigApp_WordPress_Android 文件： ActivityUserMore.java

public static void gotoFragmentAbout(Context context) {
    Intent intent = new Intent(context, ActivityUserMore.class);
    intent.putExtra(ARG_FRAGMENT_TAG,
            FragmentAbout.class.getSimpleName());
    context.startActivity(intent);
}

方法所在类

android.content.Context