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android 開啟微信掃一掃

由於微信的更新導致不能直接通過scheme開啟微信掃一掃介面,但是現在仍然有兩種方式可以直接開啟微信掃一掃介面:
1:

 public static void toWeChatScanDirect(Context context) {
        try {
            Intent intent = new Intent();
            intent.setComponent(new ComponentName("com.tencent.mm", "com.tencent.mm.ui.LauncherUI"));
            intent.putExtra("LauncherUI.From.Scaner.Shortcut"
, true); intent.setFlags(335544320); intent.setAction("android.intent.action.VIEW"); context.startActivity(intent); } catch (Exception e) { } }

2:

  /**
     * 開啟微信並跳入到二維碼掃描頁面
     *
     * @param context
     */
    public static void openWeixinToQE_Code
(Context context) { try { Intent intent = context.getPackageManager().getLaunchIntentForPackage("com.tencent.mm"); intent.putExtra("LauncherUI.From.Scaner.Shortcut", true); context.startActivity(intent); } catch (Exception e) { CommonUtil.toast(ResUtil.getStringById(R.string.no_open_weixin), context); } }

其實兩種方式開啟原理相同,