Intent intent = new Intent(FirstActivity.this, FirstActivity.class); startActivity(intent);
Intent intent = new Intent(FirstActivity.this, SecondActivity.class); startActivity(intent);
TextView taskIdView = (TextView) findViewById(R.id.taskIdView); taskIdView.setText("current task id: " + this.getTaskId());
Intent intent = new Intent("android.intent.action.SINGLE_INSTANCE_SHARE"); startActivity(intent);
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